In some aspects, January 2021 seems like March 2020. In March, the virus was here, but we didn’t know much about it. By 2021, the vaccine is here, but it’s unclear if enough people will get vaccinated. Will it be a few months or more before the vaccinated individuals will need to get a booster dose? What will be the impact of the new strain of coronavirus that’s spreading faster than the previous strains? There’s a lot of factors it seems that to make a point against being overly optimistic. John Nosta disagrees.